| 摘要 |
A device for teaching elementary musical relationships and notation particularly in regard to scale tones and chords and uniquely associated with pre-known names and order of the user's fingers on both hands. Incidentally the same numbering of the fingers, from left to right in each also teaches, by assocation, the first five degrees by numerical name. The two hands are on a panel which also supports one of a set of strip inserts carrying, for example, treble and bass clef notation for a particular key signature and the first five, or lower five, notes or tones of that diationic scale, it being proposed that the student will ordinarily have no difficulty whatever in extrapolating the "mini-scale" of five tones to the full octave and then to octaves above and below that learned by use of the device. For teaching chords a pair of hands are provided with three fingers only on each hand denominated as Root, 3rd and 5th degree and also correlated as before with fingers named in that order, left to right so that the Root tone is associated with the little finger of left hand for the bass clef and the thumb of the right hand for the treble clef, the remaining tones following in this natural learning order, and every finger visually related with the corresponding notation by lead lines of obvious significance to the user.
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